英文别名N-Butylnortadalafil; (2R,8R)-2-(1,3-benzodioxol-5-yl)-6-butyl-3,6,17-triazatetracyclo[8.7.0.03,8.011,16]heptadeca-1(10),11,13,15-tetraene-4,7-dione; (6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2-butyl-2,3,6,7,12,12a-hexahydropyrazino(1',2':1,6)pyrido(3,4-b)indole-1,4-dione; Pyrazino(1',2':1,6)pyrido(3,4-b)indole-1,4-dione, 6-(1,3-benzodioxol-5-yl)-2-butyl-2,3,6,7,12,12a-hexahydro-, (6R,12aR)-; Pyrazino(1',2':1,6)pyrido(3,4-b)indole-1,4-dione, 6-(1,3-benzodioxol-5-yl)-2-butyl-2,3,6,7,12,12a-hexahydro-, (6R-trans)-; N-Butyltadalafil; N-BUTYL TADALAFIL; Pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione, 6-(1,3-benzodioxol-5-yl)-2-butyl-2,3,6,7,12,12a-hexahydro-, (6R,12aR)-; Pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione, 6-(1,3-benzodioxol-5-yl)-2-butyl-2,3,6,7,12,12a-hexahydro-, (6R-trans)-; (5R,6R)-6-Benzo[1,3]dioxol-5-yl-2-butyl-2,3,6,7,12,12a-hexahydro-pyrazino[1'',2'':1,6]pyrido[3,4-b]indole-1,4-dione; (6R,12AR)-6-(benzo[d][1,3]dioxol-5-yl)-2-butyl-2,3,12,12a-tetrahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4(6H,7H)-dione; Tadalafil Impurity 28; N-Butyl Nortildenafil; Tildenafil Impurity 26 
